Diagnostic Test

PERFORM FDCM VERIFICATION TEST
NOTE: If the SKIM, PCM or FCM was replaced, refer to the appropriate service information for proper programming procedures.
1. Disconnect all jumper wires and reconnect all previously disconnected components and connectors.
2. Ensure that all accessories are turned off.
3. Ensure that the battery is fully charged.
4. If the FDCM was replaced as part of the repair you must program the new FDCM using the scan tool.
5. With the scan tool, record and erase all DTC(s) from the FDCM
6. Start and run the engine for 2 minutes while operating all functions of the system that caused the original concern.
7. Turn the ignition off, wait 5 seconds, then turn the ignition on. Using the scan tool, read DTC(s) from the FDCM.
Are any FDCM DTC(s) present or is the original condition still present?

Yes
- Perform the appropriate diagnostic procedure. See DTC-Based Diagnostics/MODULE, Final Drive Control (FDCM) - Diagnosis and Testing .
No
- The repair is complete.